BA 240
W. Li
QUIZ 6
Show Your Work Completely and Clearly.
Round to the THIRD decimal place.
Interpret your results!
Problem 1:
Name:_
Suppose the average annual expense for a random sample of 15 stock funds is normally
distributed with mean of 1.63 perce
BA 240
W. Li
Score: _ of 10
QUIZ 3
Show your work clearly and completely.
Problem 1:
Name:_
We surveyed 100 workers at ABC Inc. We found that 80% are happy with their jobs (H),
40% are female employees (Female). In addition, among those who are happy with
BA 240
W. Li
Score: _ of 10
QUIZ 2
Show your work clearly and completely.
Round to the THIRD decimal place.
Problem 1:
Name:_
Consider following sample of 10 quantitative measurements:
36
28
28
17
39
31
30
23
27
19
a) Calculate the Measurements of Central
BA 240
W. Li
Score: _ of 10
QUIZ 5
Show your work CLEARLY and COMPLETELY!
Name:_
For z-scores: Round to the SECOND decimal place.
For Probabilities: Keep the Original FOUR decimal places.
Draw the Normal Curves and highlight the corresponding areas!
Probl
The director of a hospital wishes to estimate the mean # of people who are admitted to the emergency room during a 24
hour period. A random sample of 23 observations produced mean X 35.4 and a SD s=3.1
a
Find a 90% confidence interval for the population m
Variable- A characteristic in the population such as age, gender, number of
years.
Sample- When you select a few from the population, you have a sample
Random Sample- Every value in the population has an equal chance of being
selected.
Population- a set
SUMMARY OUTPUT
Regression Statistics
Multiple R 0.803882
R Square 0.646225
Adjusted R 0.595686
Standard E 7.473864
Observatio
25
ANOVA
df
Regression
Residual
Total
SS
MS
F Significance F
3 2142.729 714.2429 12.78661 5.69E-005
21 1173.031 55.85864
24 3315.
0.066534
Yearly Gross Income ($1,000's)
Students who take BA 240 (Gp 1)
Students who did not take BA 240 (Gp 2)
45.3
23.3
36.1
18.9
28.3
30.7
57.9
27.3
39.1
21.4
52.2
47.8
2. Is there sufficient evidence to conclude that students who take BA 240 dont have
Study Guide For Final Exams
1.
Identify and describe at least three ethics systems.
Kantian Ethics: Ethical standards that are originated only from philosophical
reasoning. Immanuel Kant who was a German philosopher identified the general
values of moral
Lovejit Choat
January 30, 2017
Accounting 202
Chapter 10 Notes
1)
2)
3)
4)
5)
6)
What are the characteristics of a current liability? Give two examples.
-A current liability can be defined in one of two ways: all liabilities of the business that are to be
Lovejit Choat
January 16, 2017
Accounting 202
CHAPTER 9 NOTES
1. How would you determine the useful life of a Delivery Truck, which cost
$40,000?
-I would use the straight-line depreciation method
- Subtract salvage value from the purchasing price and the
Business 201 Midterm Exam
Statutory Law Body of law enacted by legislative bodies
Common Law Body of law developed from custom or judicial designs in English
and US courts, not attributable to a legislature.
Administrative Law Body of law created by admin
Accounting 202 COMPUTER LABRetirement
Calculating YOUR RetirementHow soon? How MUCH $?
Name _
Go to Excel. (Click on the Excel icon or search for the Excel program). Using the function wizard f(x)
button on your menu bar, practice calculating future value
Assignment #1
1.16 Student GPAs
A)
B)
C)
D)
E)
F)
G)
Population all students enrolled in statistics course
Variable Grade point average
Variable is quantitative as average can be calculated
Census, as it includes the whole population.
Sample, as it is a s
Lovejit Choat
January 9, 2017
Accounting 202
CHAPTER 8 NOTES
What is the difference between accounts receivable, trade receivables and
notes receivable?
Accounts Receivable: An asset of a company, that holds the amounts customers
owe the company from thei
STUDY GUIDE FOR MIDTERM
In preparation for the midterm concentrate on understanding the following concepts. You
will be expected to understand these concepts in general, and be able to apply them to a
hypothetical situation. You will be expected to have s
Lovejit Choat
March 2, 2017
Accounting 202
Chapter 12 Notes
1.
- The investing section of the cash flow statement is used to report the
aggregate change in a companys asset position, that is a result from
investment gains and/or losses.
- Investing activi
BA 240
HW Solution
W. Li
Homework 6 Solution
Problem 7.20:
a. The parameter of interest is = the true mean shell length of all green sea
turtles.
b. N = 76
Mean = 55.47
St Dev = 11.34
The point estimate of is = 55.47.
c. For confidence coefficient 0.95, =
BA 240
W. Li
Assignment 4 Solution
Assignment 4 Solution
Problem 4.21
a) The simple events are (where H = head, T = tail):
x = # of heads
HHH
3
HHT
2
HTH
2
THH
2
HTT
1
THT
1
TTH
1
TTT
0
b) If each event is equally likely, then p(each simple event) = 1/n =
BA 240
W. Li
Score: _ of 15
QUIZ 8
Name:_
Problem 1:
A Florida real estate appraisal company regularly employs a paired sales technique to
evaluate land sales. When two parcels of land are sold, the ratio of the acreage of the
larger parcel to the smaller
The Obesity Study
FACTORS AFFECTING POPULATION OBESITY PERCENTAGES
ACROSS STATES IN THE USA
WITH A FOCUS ON ASIAN ETHNICITY PERCENTAGES
Table of Contents
1.
Selecting the Data . 2
Rationale . 3
Reliability of source data . 3
Limitations of the data . 4
Da
Quiz 6
Name _
Question 1: (5 points)
Suppose a random sample of 100 people yielded the following data on the
number of tissues used during a cold: x 45, s 18 . Suppose we want to test
whether the average number of tissues during a cold differs from 50.
(a
Assignment 4
You may either hand-write or type your answers, no need to copy the questions.
Question 1:
A research wants to find out the relationship between the tuition in universities and the graduate rate.
Here is the output from data analysis.
SUMMARY
#9.12:
a. Ho: 12=0
HA: 12 0
( 171 ) 3.4 2+(121) 4.82
(17+122)
= 4.0295
5.47.9
t=
=1.65
c.
1 1
4.0295
+
17 12
d. P=0. 111
e. At this rejection level, we fail to reject the null hypothesis and can conclude the two
population means are equal.
#9.25
a. Ho: 12
Midterm 2 Exam Review
Chapter 5, Chapter 6 and Chapter 7
1. What is the Standard normal distribution?
=0
(mean 0)
=1
(standard deviation 1)
2. How to use Z-Table?
The inside of the Z-Table is the probability, which is the area
under the curve from 0 to z
Midterm 1 Exam Review
Chapter 1, Chapter 2 and Chapter 4
1. Types of data: Qualitative (Categories, no numbers assessed, e.g. gender, country,
city)
and Quantitative (Numerical)
2. How to draw Frequency Table?
Class frequency: the number of observations i